Description

Unidirectional Knife Gate Valve

Body: Carbon Steel, Ductile Iron, SS316

Knife: SS304, SS316

Disc: SS304, SS316L

Wedge: SS304, SS316, SS316L

Packing: PTFE

Seal Ring: Polyurethane, EPDM, NBR, VITON

Yoke: SS304, SS316

Packing Gland: CF8, WCB

Nominal Size: DN50 to DN450

Nominal Pressure: Class150 to Class30, PN10

End Type: Wafer Type, Lug Type

Operation: Handwheel, Electric Actuated, Pneumatic Actuated

Design and Manufacture Standard: MSS SP-81

Face to Face Dimension: MSS SP-81

Flanged End Dimension: DIN, JIS

Inspection and Test: API 598

Dimensions

PN10

DN L D D1 D2 DO N-Th d H1
50 48 165 125 99 180 4-M16 Φ18 260
65 48 185 145 118 200 4-M16 Φ18 292
80 51 200 160 132 240 8-M16 Φ18 320
100 51 220 180 156 260 8-M16 Φ18 358
125 57 250 210 184 280 8-M16 Φ18 395
150 57 285 240 211 280 8-M20 Φ23 450
175 57 305 265 237 280 12-M20 Φ23 504
200 70 340 295 266 300 8-M20 Φ23 532
250 70 395 350 319 320 12-M20 Φ23 670
300 76 445 400 370 350 12-M20 Φ23 758
350 76 505 460 429 400 16-M20 Φ23 857
400 89 565 515 480 450 16-M24 Φ27 946
450 89 615 565 530 500 20-M24 Φ27 1023